H.R.H. Isabel Clara Eugenia of Austria, Infanta of Spain and Portugal (1566-1633) - Isabella Clara Eugenia was sovereign of the Spanish Netherlands in the Low Countries and the north of modern France, together with her husband Albert. In some sources, she is referred to as Clara Isabella Eugenia. By birth, she was an infanta of Spain and Portugal.
Frans Pourbus the Younger, detail of the full length portrait in the Royal Collection - Isabella Clara Eugenia of Spain (1566–1633), Archduchess of Austria - ruled the Spanish Netherlands in the Low Countries, and the north of modern France, together with her husband Albert, whom she married at the age 33.